6505929125 has 16 divisors (see below), whose sum is σ = 8143981248. Its totient is φ = 5188986000.

The previous prime is 6505929119. The next prime is 6505929149. The reversal of 6505929125 is 5219295056.

It is not a de Polignac number, because 6505929125 - 2¹² = 6505925029 is a prime.

It is a super-2 number, since 2×6505929125² = 84654227559046531250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37247 + ... + 119996.

It is an arithmetic number, because the mean of its divisors is an integer number (508998828).

Almost surely, 2^6505929125 is an apocalyptic number.

It is an amenable number.

6505929125 is a deficient number, since it is larger than the sum of its proper divisors (1638052123).

6505929125 is a wasteful number, since it uses less digits than its factorization.

6505929125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157589 (or 157579 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 6505929125 is about 80659.3399737439. The cubic root of 6505929125 is about 1866.8228553231.

The spelling of 6505929125 in words is "six billion, five hundred five million, nine hundred twenty-nine thousand, one hundred twenty-five".